Hp ProCurve 520wl Wireless Access Point Manual de usuario descargar pdf (Pagina 22)

802.11b/g compared to 802.11a Networks

The 520wl supports 802.11 wireless connectivity through the use of 802.11a-compliant 5 GHz, 802.11b-compliant 2.4

GHz, and 802.11g-compliant 2.4 GHz radio technology. The IEEE 802.11a standard adds support for a high-speed

wireless physical layer in the 5 GHz band using Orthogonal Frequency Division Multiplexing (OFDM). The standard

requires support for data rates of 6, 12, 24, and 54 Mbps. The 520wl supports the following data rates: 1, 2, 5.5, 11, 6,

9, 12, 18, 24, 36, 48, 54 Mbits/s. The IEEE 802.11b standard supports wireless physical layer in the 2.4 GHz band

using Direct Sequence Spread Spectrum (DSSS). The standard provides for data rates of 1, 2, 5.5, and 11 Mbits/s.

The new IEEE 802.11g standard adds support for a high-speed wireless physical layer in the 2.4 GHz band using

Orthogonal Frequency Division Multiplexing (OFDM). The standard requires support for data rates of 6, 9, 12, 18, 24,

36, 48, and 54 Mbps.

The 520wl can be used with any combination of 802.11a, 802.11b, and 802.11g AP Cards. You can have an 802.11a

and an 802.11b or 802.11g card present in the 520wl at the same time and 2.4 GHz and 5 GHz clients will be

supported simultaneously. Note however that only one 802.11a card with antenna adapter can be plugged into the

520wl at one time.

Feature List

The IEEE standards that govern wireless communications are different for the 2.4 GHz band and the 5 GHz band. The

table below compares the software features supported for each type of card in the 520wl:

Feature 2.4 GHz

(802.11b)

2.4 GHz

(802.11g)

5 GHz

(802.11a)

Comments

Number of stations per AP up to 250 up to 128 up to 128 This information corresponds to a cas where no

encryption is enabled. For more information about the

number of stations supported when using different types

of encryption, please see the table “Number of Stations

per BSS” located in appendix A.

HTTP/HTTPS Server yes yes yes

Telnet / CLI yes yes yes

SNMP/SNMPv3 support yes yes yes

VLAN Support (16 User VLANs) no yes no

Emergency Reset to Default

Configuration

yes yes yes

DHCP Client yes yes yes

DHCP Server yes yes yes

TFTP yes yes yes

RADIUS Mac-based Access Control yes yes yes

Fallback to Primary RADIUS Server yes yes yes

RADIUS Session Timeout yes yes yes

RADIUS Multiple MAC Address Formats yes yes yes

RADIUS DNS Host Name Support yes yes yes

RADIUS Start/Stop Accounting yes yes yes

802.1X (EAP-MD5, EAP-TLS and EAP-

TTLS)

yes yes yes

802.1d bridging yes yes yes

MAC Access Control Table yes yes yes

Protocol Filtering yes yes yes

Multicast/Broadcast Storm Filtering yes yes yes

Proxy ARP yes yes yes

Roaming yes yes yes

Link Integrity yes yes yes

Automatic Channel Select yes yes yes

WEP yes yes yes Key lengths supported for 802.11b: 64-bit and 128-bit

Key lengths supported for 802.11a and 802.11g: 64-bit,

128-bit, and 152-bit

(Note: Some products refer to 64-bit as “40-bit”, 128-bit

as “104-bit”, and 152-bit as “128-bit”.)

WEP Plus (Weak Key Avoidance)

yes no no

WDS Relay yes yes yes

Remote Link Test

yes no no

Medium Density Distribution

yes no no

Distance between APs yes no no

1-4

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 190 191

Comentarios a estos manuales

Sin comentarios

Hp ProCurve 520wl Wireless Access Point Manual de usuario Pagina 22

Comentarios a estos manuales